/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System.Collections.Generic;
using System.Linq;

using Composite.Data.ProcessControlled;
using Composite.Data.ProcessControlled.ProcessControllers.GenericPublishProcessController;
using Composite.Data.PublishScheduling;
using Composite.Data.Transactions;

namespace Composite.Data.Types.Foundation
{
    internal sealed class PagePublishControlledAuxiliary : IPublishControlledAuxiliary
    {
        public void OnAfterDataUpdated(IData data)
        {
            var page = (IPage)data;

            IEnumerable<IPagePlaceholderContent> pagePlaceholderContents;
            using (new DataScope(DataScopeIdentifier.Administrated))
            {
                pagePlaceholderContents =
                    (from content in DataFacade.GetData<IPagePlaceholderContent>()
                     where content.PageId == page.Id
                     select content).ToList();
            }

            if (page.PublicationStatus == GenericPublishProcessController.Published)
            {
                using (var transactionScope = TransactionsFacade.CreateNewScope())
                {
                    using (new DataScope(DataScopeIdentifier.Public))
                    {
                        DataFacade.Delete<IPagePlaceholderContent>(f => f.PageId == page.Id);
                    }

                    foreach (var pagePlaceholderContent in pagePlaceholderContents)
                    {
                        pagePlaceholderContent.PublicationStatus = page.PublicationStatus;

                        DataFacade.Update(pagePlaceholderContent);
                    }

                    using (new DataScope(DataScopeIdentifier.Administrated))
                    {
                        var publishSchedule = PublishScheduleHelper.GetPublishSchedule(typeof (IPage),
                            page.Id.ToString(), page.DataSourceId.LocaleScope.Name);

                        if (publishSchedule != null)
                        {
                            DataFacade.Delete(publishSchedule);
                        }
                    }

                    transactionScope.Complete();
                }
            }
            else
            {
                foreach (var pagePlaceholderContent in pagePlaceholderContents)
                {
                    if (pagePlaceholderContent.PublicationStatus != page.PublicationStatus)
                    {
                        pagePlaceholderContent.PublicationStatus = page.PublicationStatus;

                        DataFacade.Update(pagePlaceholderContent);
                    }
                }
            }
        }


        public void OnAfterBuildNew(IData data)
        {
            // Noop
        }
    }
}